153.5% is the change from 329 to 834
Calculation steps:
[( 834 - 329 ) ÷ 329] x 100 = 153.5%
Formula
Percentage change = [(834 - 329) / 329] x 100
Subtract the new number by the original number
834 - 329 = 505
505 ÷ 329 = 1.534954407294833
1.534954407294833 x 100 = 153.5%